diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/nand.h')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/nand.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/plat/nand.h b/arch/arm/plat-omap/include/plat/nand.h new file mode 100644 index 00000000..d86d1ecf --- /dev/null +++ b/arch/arm/plat-omap/include/plat/nand.h @@ -0,0 +1,48 @@ +/* + * arch/arm/plat-omap/include/mach/nand.h + * + * Copyright (C) 2006 Micron Technology Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <plat/gpmc.h> +#include <linux/mtd/partitions.h> + +enum nand_io { + NAND_OMAP_PREFETCH_POLLED = 0, /* prefetch polled mode, default */ + NAND_OMAP_POLLED, /* polled mode, without prefetch */ + NAND_OMAP_PREFETCH_DMA, /* prefetch enabled sDMA mode */ + NAND_OMAP_PREFETCH_IRQ /* prefetch enabled irq mode */ +}; + +struct omap_nand_platform_data { + unsigned int options; + int cs; + int gpio_irq; + struct mtd_partition *parts; + struct gpmc_timings *gpmc_t; + int nr_parts; + int (*nand_setup)(void); + int (*dev_ready)(struct omap_nand_platform_data *); + int dma_channel; + int gpmc_irq; + enum nand_io xfer_type; + unsigned long phys_base; + int devsize; + enum omap_ecc ecc_opt; +}; + +/* minimum size for IO mapping */ +#define NAND_IO_SIZE 4 + +#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE) +extern int gpmc_nand_init(struct omap_nand_platform_data *d); +#else +static inline int gpmc_nand_init(struct omap_nand_platform_data *d) +{ + return 0; +} +#endif |